Home / 682,639.72-1,024,416.66-283,280.90

Finding the Fourth Proportional to 682,639.72, 1,024,416.66 and 283,280.90

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Solution

The fourth proportional to 682,639.72, 1,024,416.66 and 283,280.90 is: 425,111.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,639.72 : 1,024,416.66 = 283,280.90 : x
  2. Step 2: Convert to fraction form
    682,639.72/1,024,416.66 = 283,280.90/x
  3. Step 3: Cross multiply
    682,639.72x = 1,024,416.66 × 283,280.90
  4. Step 4: Simplify right side
    682,639.72x = 290,197,673,419.79
  5. Step 5: Solve for x
    x = 290,197,673,419.79/682,639.72
  6. Step 6: Final answer
    x = 425,111.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.